If your window does not have a sill measure to the point you would like the blind to reach.
How to measure for window shades and blinds.
Measure the height of the.
Measure the width of the recess in three places.
2 measure the height inside the window opening from the top of the window opening to the window sill.
Measure the inside of the window frame in three places for width.
But mistakes in measurements can ruin them altogether step 2 measure for width.
Use a metal tape measure to measure accurately to the nearest 1 8th inch.
Do not take deductions.
At the top at the middle and at the bottom.
Inside mount treatments are installed inside the window casing.
Make sure you hold both ends of the tape on the inside edges of the recess.
Step 1 be sure to measure accurately.
How to measure for inside mount blinds and shades 1.
At the left middle and right side.
If the window is set in a deep recess fitting the blind inside makes for a neat finish.
Note the smallest measurement as it will be the one you use step 3 measure for height.